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Air in a piston-cylinder undergoes a cycle with the following processes: Process 1-2: Isothermal process Pi =0.1 MPa, T1 = 1000K to P2 = 0.05 MPa %3D Process 2-3: Isobaric process to state 3 where T3 = 350K Process 3-4: Isochoric process to state 4 where P4 = 0.2 MPa Process 4-1: Polytropic process back to state 1 (a) Show the processes in a P-v plot showing the values. Also calculate or state the values of P, v, T and u at states 1,2, 3 & 4. v is specific volume in m'/kg (b) Calculate the work and heat transfer in kJ/kg for each of the processes. (c) Based on your calculations, what type of a cycle is this? Assume that air behaves like an ideal gas. Neglect kinetic and potential energy effects. Note for an isochoric process volume remains constant.

Air in a piston-cylinder undergoes a cycle with the following processes: Process 1-2: Isothermal process Pi =0.1 MPa, T1 = 1000K to P2 = 0.05 MPa %3D Process 2-3: Isobaric process to state 3 where T3 = 350K Process 3-4: Isochoric process to state 4 where P4 = 0.2 MPa Process 4-1: Polytropic process back to state 1 (a) Show the processes in a P-v plot showing the values. Also calculate or state the values of P, v, T and u at states 1,2, 3 & 4. v is specific volume in m'/kg (b) Calculate the work and heat transfer in kJ/kg for each of the processes. (c) Based on your calculations, what type of a cycle is this? Assume that air behaves like an ideal gas. Neglect kinetic and potential energy effects. Note for an isochoric process volume remains constant.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Thermodynamics
Air in a piston-cylinder undergoes a cycle with the following processes: Process 1-2: Isothermal process PI = 0.1 MPa, T1 = 1000K to P2 = 0.05 MPa Process 2-3: Isobaric process to state 3 where T3 = 350K Process 3-4: Isochoric process to state 4 where P4 = 0.2 MPa Process 4-1: Polytropic process back to state 1 (a) Show the processes in a P-v plot showing the values. Also calculate or state the values of P, v, T and u at states 1, 2, 3 & 4. v is specific volume in m³/kg (b) Calculate the work and heat transfer in kJ/kg for each of the processes. (c) Based on your calculations, what type of a cycle is this? Assume that air behaves like an ideal gas. Neglect kinetic and potential energy effects. Note for an isochoric process volume remains constant.
Transcribed Image Text:Air in a piston-cylinder undergoes a cycle with the following processes: Process 1-2: Isothermal process PI = 0.1 MPa, T1 = 1000K to P2 = 0.05 MPa Process 2-3: Isobaric process to state 3 where T3 = 350K Process 3-4: Isochoric process to state 4 where P4 = 0.2 MPa Process 4-1: Polytropic process back to state 1 (a) Show the processes in a P-v plot showing the values. Also calculate or state the values of P, v, T and u at states 1, 2, 3 & 4. v is specific volume in m³/kg (b) Calculate the work and heat transfer in kJ/kg for each of the processes. (c) Based on your calculations, what type of a cycle is this? Assume that air behaves like an ideal gas. Neglect kinetic and potential energy effects. Note for an isochoric process volume remains constant.
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